learned it the hard way
If you enable the SandyBridge New Acceleration (SNA) in the xf86-video-intel driver on a GM965 chipset with a dual-monitor setup your GPU will hang with the kernel DRM driver crying like a little girl and both screens going blank. While the rest of xorg is still working and your current session is accessible through x11vnc, you will need to reboot to restore the video output.
Category: Linux



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